A right to sell something at a predetermined price.

A contract to sell a security at a set price on or before a certain date.

“He bought a January '08 put for Procter and Gamble at 80 to hedge his bet.”

The act of putting; an action; a movement; a thrust; a push.

“the put of a ball”

To place something somewhere.

“She put her books on the table.”

To bring or set into a certain relation, state or condition.

“He is putting all his energy into this one task.”

To exercise a put option.

“He got out of his Procter and Gamble bet by putting his shares at 80.”